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Cellular and Molecular Biology

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Roles of NO as an Intracellular Messenger

CELLS-TW4R@J

Which of the below is NOT a known role of nitric oxide (NO) as a signaling molecule?

A

Activating the enzyme guanylyl cyclase to produce cyclic GMP.

B

Contributing to the relaxation of smooth muscle cells.

C

Trans-autophosphorylation of receptor protein-tyrosine kinases.

D

Direct conversion of NO into the amino acid arginine.